Trilobites: Roman Artifacts Found in Okinawa Castle It’s unclear how ancient Roman coins ended up buried in the ruins of a 12th-century castle in Okinawa. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Georgia, Republican Party, Otto Warmbier: Your Tuesday Evening BriefingAs Travel Industry Awaits Slowdown, Travelers Pack Bags — for NowU.N. Chief Warns U.S. of Risks of Rejecting Leadership RoleChina Falls Short on Curbing North Korea, Trump SaysTrump Imposes New Sanctions on Russia Over Ukraine IncursionState Dept. Lashes Out at Gulf Countries Over Qatar Embargo